SKF N670 Bearing lock nut (keyway type)
SKF

SKF N670 Bearing lock nut (keyway type)

Part numberN670Item numberSKF-N670HS code8483.30
SKF designation convention (see description for governing ISO / DIN)
MaterialAs declared by SKF designation suffix
MOQ:1

Pricing

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Product Description

SKF N670 bearing lock nut (keyway type). Bearing lock nut in the KM series with axial keyway that engages an MB lock washer. Locks a bearing, adapter sleeve or withdrawal sleeve axially on a shaft. Thread size and boundary dimensions per ISO 2982-1 / DIN 981. Nut always paired with the matching MB washer of the same numeric designation.

Technical Specifications

Type
Bearing lock nut (keyway type)
Designation
SKF N670
HS code
8483.30
Thread designation
26.379-4
Bore diameter
670.027 mm
Outside diameter
779.602 mm
Width
79.756 mm
Locking device
Locking plate
Nut for hydraulic mounting
No
Associated mounting tool
TMFN 600-750
Product net weight
78 kg
eClass code
23-11-07-05
UNSPSC code
31163218

Standards & Compliance

Standard
SKF designation convention (see description for governing ISO / DIN)
Material
As declared by SKF designation suffix
Temperature Range
Per SKF product data
HS Code
8483.30

Cross References

  • FAG 670
  • NSK 670
  • Timken 670
  • NTN 670
  • Koyo 670
  • Equivalent: 670 (FAG)
  • Equivalent: 670 (NSK)
  • Equivalent: 670 (Timken)
  • Equivalent: 670 (NTN)
  • Equivalent: 670 (Koyo)

Compatibility & Fitment

Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: SKF N670 Bearing lock nut (keyway type) — Specification sheet

Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy N670?
N670 can be ordered from cballast.com as a SKF catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this SKF product?
The manufacturer part number is N670.
What is the HS code for N670?
The customs tariff (HS) code for N670 is 8483.30.
Who manufactures N670?
N670 is a SKF product in the Bearings & Power Transmission range.
Is a datasheet available for N670?
Yes — the N670 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for N670?
The minimum order quantity is 1.
Is N670 available?
Yes — N670 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).